Already, half an hour ago Alcibiades and Yaxis had departed with their pushcarts, one to the north and one to the south, calling antiphonally as they went, in clear, high voices that came fainter and fainter to

In the opening section, for instance, the words ‘Deum of God, lumen de lumine, Deum verum de Deo vero’ ‘God of God, light of light, very God of very God’ each repeat the same pitches, passing the motif between the voices antiphonally.